//** Ajax Tabs Content script v2.0- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com)
//** Updated Oct 21st, 07 to version 2.0. Contains numerous improvements
//** Updated Feb 18th, 08 to version 2.1: Adds a public "tabinstance.cycleit(dir)" method to cycle forward or backward between tabs dynamically. Only .js file changed from v2.0.
//** Updated April 8th, 08 to version 2.2:
//   -Adds support for expanding a tab using a URL parameter (ie: http://mysite.com/tabcontent.htm?tabinterfaceid=0) 
//   -Modified Ajax routine so testing the script out locally in IE7 now works 
//   skseo combined Ajax Tabs Content script v2.0- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com) //   and Tab Content script v2.0- © Dynamic Drive DHTML code library (http://www.dynamicdrive.com) 

var ddajaxtabssettings={}
ddajaxtabssettings.bustcachevar=1
ddajaxtabssettings.loadstatustext=""
function ddajaxtabs(tabinterfaceid,contentdivid){this.tabinterfaceid=tabinterfaceid
this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a")
this.enabletabpersistence=true
this.hottabspositions=[]
this.currentTabIndex=0
this.contentdivid=contentdivid
this.defaultHTML=""
this.defaultIframe='<iframe src="about:blank" marginwidth="0" marginheight="0" frameborder="0" vspace="0" hspace="0" class="tabcontentiframe" scrolling="no" style="width:100%; height:100%; min-height: 100px"></iframe>'
this.defaultIframe=this.defaultIframe.replace(/<iframe/i,'<iframe name="'+"_ddajaxtabsiframe-"+contentdivid+'" ')
this.revcontentids=[]
this.selectedClassTarget="link"}
ddajaxtabs.connect=function(pageurl,tabinstance){var page_request=false
var bustcacheparameter=""
if(window.ActiveXObject){try{page_request=new ActiveXObject("Msxml2.XMLHTTP")}
catch(e){try{page_request=new ActiveXObject("Microsoft.XMLHTTP")}
catch(e){}}}
else if(window.XMLHttpRequest)
page_request=new XMLHttpRequest()
else
return false
var ajaxfriendlyurl=pageurl.replace(/^http:\/\/[^\/]+\//i,"http://"+window.location.hostname+"/")
page_request.onreadystatechange=function(){ddajaxtabs.loadpage(page_request,pageurl,tabinstance)}
if(ddajaxtabssettings.bustcachevar)
bustcacheparameter=(ajaxfriendlyurl.indexOf("?")!=-1)?"&"+new Date().getTime():"?"+new Date().getTime()
page_request.open('GET',ajaxfriendlyurl+bustcacheparameter,true)
page_request.send(null)}
ddajaxtabs.loadpage=function(page_request,pageurl,tabinstance){var divId=tabinstance.contentdivid
document.getElementById(divId).innerHTML=ddajaxtabssettings.loadstatustext
if(page_request.readyState==4&&(page_request.status==200||window.location.href.indexOf("http")==-1)){document.getElementById(divId).innerHTML=page_request.responseText
ddajaxtabs.ajaxpageloadaction(pageurl,tabinstance)}}
ddajaxtabs.ajaxpageloadaction=function(pageurl,tabinstance){tabinstance.onajaxpageload(pageurl)}
ddajaxtabs.getCookie=function(Name){var re=new RegExp(Name+"=[^;]+","i");if(document.cookie.match(re))
return document.cookie.match(re)[0].split("=")[1]
return""}
ddajaxtabs.setCookie=function(name,value){document.cookie=name+"="+value+";path=/"}
ddajaxtabs.prototype={expandit:function(tabid_or_position){this.cancelautorun()
var tabref=""
try{if(typeof tabid_or_position=="string"&&document.getElementById(tabid_or_position).getAttribute("rel"))
tabref=document.getElementById(tabid_or_position)
else if(parseInt(tabid_or_position)!=NaN&&this.tabs[tabid_or_position].getAttribute("rel"))
tabref=this.tabs[tabid_or_position]}
catch(err){alert("Invalid Tab ID or position entered!")}
if(tabref!="")
this.expandtab(tabref)},cycleit:function(dir,autorun){if(dir=="next"){var currentTabIndex=(this.currentTabIndex<this.hottabspositions.length-1)?this.currentTabIndex+1:0}
else if(dir=="prev"){var currentTabIndex=(this.currentTabIndex>0)?this.currentTabIndex-1:this.hottabspositions.length-1}
if(typeof autorun=="undefined")
this.cancelautorun()
this.expandtab(this.tabs[this.hottabspositions[currentTabIndex]])},setpersist:function(bool){this.enabletabpersistence=bool},loadajaxpage:function(pageurl){ddajaxtabs.connect(pageurl,this)},loadiframepage:function(pageurl){this.iframedisplay(pageurl,this.contentdivid)},setselectedClassTarget:function(objstr){this.selectedClassTarget=objstr||"link"},getselectedClassTarget:function(tabref){return(this.selectedClassTarget==("linkparent".toLowerCase()))?tabref.parentNode:tabref},urlparamselect:function(tabinterfaceid){var result=window.location.search.match(new RegExp(tabinterfaceid+"=(\\d+)","i"))
return(result==null)?null:parseInt(RegExp.$1)},onajaxpageload:function(pageurl){},expandtab:function(tabref){var relattrvalue=tabref.getAttribute("rel")
var associatedrevids=(tabref.getAttribute("rev"))?","+tabref.getAttribute("rev").replace(/\s+/,"")+",":""
if(relattrvalue=="#default")
document.getElementById(this.contentdivid).innerHTML=this.defaultHTML
else if(relattrvalue=="#iframe")
this.iframedisplay(tabref.getAttribute("href"),this.contentdivid)
else
ddajaxtabs.connect(tabref.getAttribute("href"),this)
this.expandrevcontent(associatedrevids)
for(var i=0;i<this.tabs.length;i++){this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("href")==tabref.getAttribute("href"))?"selected":""}
if(this.enabletabpersistence)
ddajaxtabs.setCookie(this.tabinterfaceid,tabref.tabposition)
this.setcurrenttabindex(tabref.tabposition)},iframedisplay:function(pageurl,contentdivid){if(typeof window.frames["_ddajaxtabsiframe-"+contentdivid]!="undefined"){try{delete window.frames["_ddajaxtabsiframe-"+contentdivid]}
catch(err){}}
document.getElementById(contentdivid).innerHTML=this.defaultIframe
window.frames["_ddajaxtabsiframe-"+contentdivid].location.replace(pageurl)},expandrevcontent:function(associatedrevids){var allrevids=this.revcontentids
for(var i=0;i<allrevids.length;i++){document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)?"block":"none"}},setcurrenttabindex:function(tabposition){for(var i=0;i<this.hottabspositions.length;i++){if(tabposition==this.hottabspositions[i]){this.currentTabIndex=i
break}}},autorun:function(){this.cycleit('next',true)},cancelautorun:function(){if(typeof this.autoruntimer!="undefined")
clearInterval(this.autoruntimer)},init:function(automodeperiod){var persistedtab=ddajaxtabs.getCookie(this.tabinterfaceid)
var selectedtab=-1
var selectedtabfromurl=this.urlparamselect(this.tabinterfaceid)
this.automodeperiod=automodeperiod||0
this.defaultHTML=document.getElementById(this.contentdivid).innerHTML
for(var i=0;i<this.tabs.length;i++){this.tabs[i].tabposition=i
if(this.tabs[i].getAttribute("rel")){var tabinstance=this
this.hottabspositions[this.hottabspositions.length]=i
this.tabs[i].onclick=function(){tabinstance.expandtab(this)
tabinstance.cancelautorun()
return false}
if(this.tabs[i].getAttribute("rev")){this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))}
if(selectedtabfromurl==i||this.enabletabpersistence&&selectedtab==-1&&parseInt(persistedtab)==i||!this.enabletabpersistence&&selectedtab==-1&&this.getselectedClassTarget(this.tabs[i]).className=="selected"){selectedtab=i}}}
if(selectedtab!=-1)
this.expandtab(this.tabs[selectedtab])
else
this.expandtab(this.tabs[this.hottabspositions[0]])
if(parseInt(this.automodeperiod)>500&&this.hottabspositions.length>1){this.autoruntimer=setInterval(function(){tabinstance.autorun()},this.automodeperiod)}}}
function ddtabcontent(tabinterfaceid){this.tabinterfaceid=tabinterfaceid
this.tabs=document.getElementById(tabinterfaceid).getElementsByTagName("a")
this.enabletabpersistence=true
this.hottabspositions=[]
this.currentTabIndex=0
this.subcontentids=[]
this.revcontentids=[]
this.selectedClassTarget="link"}
ddtabcontent.getCookie=function(Name){var re=new RegExp(Name+"=[^;]+","i");if(document.cookie.match(re))
return document.cookie.match(re)[0].split("=")[1]
return""}
ddtabcontent.setCookie=function(name,value){document.cookie=name+"="+value+";path=/"}
ddtabcontent.prototype={expandit:function(tabid_or_position){this.cancelautorun()
var tabref=""
try{if(typeof tabid_or_position=="string"&&document.getElementById(tabid_or_position).getAttribute("rel"))
tabref=document.getElementById(tabid_or_position)
else if(parseInt(tabid_or_position)!=NaN&&this.tabs[tabid_or_position].getAttribute("rel"))
tabref=this.tabs[tabid_or_position]}
catch(err){alert("Invalid Tab ID or position entered!")}
if(tabref!="")
this.expandtab(tabref)},cycleit:function(dir,autorun){if(dir=="next"){var currentTabIndex=(this.currentTabIndex<this.hottabspositions.length-1)?this.currentTabIndex+1:0}
else if(dir=="prev"){var currentTabIndex=(this.currentTabIndex>0)?this.currentTabIndex-1:this.hottabspositions.length-1}
if(typeof autorun=="undefined")
this.cancelautorun()
this.expandtab(this.tabs[this.hottabspositions[currentTabIndex]])},setpersist:function(bool){this.enabletabpersistence=bool},setselectedClassTarget:function(objstr){this.selectedClassTarget=objstr||"link"},getselectedClassTarget:function(tabref){return(this.selectedClassTarget==("linkparent".toLowerCase()))?tabref.parentNode:tabref},urlparamselect:function(tabinterfaceid){var result=window.location.search.match(new RegExp(tabinterfaceid+"=(\\d+)","i"))
return(result==null)?null:parseInt(RegExp.$1)},expandtab:function(tabref){var subcontentid=tabref.getAttribute("rel")
var associatedrevids=(tabref.getAttribute("rev"))?","+tabref.getAttribute("rev").replace(/\s+/,"")+",":""
this.expandsubcontent(subcontentid)
this.expandrevcontent(associatedrevids)
for(var i=0;i<this.tabs.length;i++){this.getselectedClassTarget(this.tabs[i]).className=(this.tabs[i].getAttribute("rel")==subcontentid)?"selected":""}
if(this.enabletabpersistence)
ddtabcontent.setCookie(this.tabinterfaceid,tabref.tabposition)
this.setcurrenttabindex(tabref.tabposition)},expandsubcontent:function(subcontentid){for(var i=0;i<this.subcontentids.length;i++){var subcontent=document.getElementById(this.subcontentids[i])
subcontent.style.display=(subcontent.id==subcontentid)?"block":"none"}},expandrevcontent:function(associatedrevids){var allrevids=this.revcontentids
for(var i=0;i<allrevids.length;i++){document.getElementById(allrevids[i]).style.display=(associatedrevids.indexOf(","+allrevids[i]+",")!=-1)?"block":"none"}},setcurrenttabindex:function(tabposition){for(var i=0;i<this.hottabspositions.length;i++){if(tabposition==this.hottabspositions[i]){this.currentTabIndex=i
break}}},autorun:function(){this.cycleit('next',true)},cancelautorun:function(){if(typeof this.autoruntimer!="undefined")
clearInterval(this.autoruntimer)},init:function(automodeperiod){var persistedtab=ddtabcontent.getCookie(this.tabinterfaceid)
var selectedtab=-1
var selectedtabfromurl=this.urlparamselect(this.tabinterfaceid)
this.automodeperiod=automodeperiod||0
for(var i=0;i<this.tabs.length;i++){this.tabs[i].tabposition=i
if(this.tabs[i].getAttribute("rel")){var tabinstance=this
this.hottabspositions[this.hottabspositions.length]=i
this.subcontentids[this.subcontentids.length]=this.tabs[i].getAttribute("rel")
this.tabs[i].onclick=function(){tabinstance.expandtab(this)
tabinstance.cancelautorun()
return false}
if(this.tabs[i].getAttribute("rev")){this.revcontentids=this.revcontentids.concat(this.tabs[i].getAttribute("rev").split(/\s*,\s*/))}
if(selectedtabfromurl==i||this.enabletabpersistence&&selectedtab==-1&&parseInt(persistedtab)==i||!this.enabletabpersistence&&selectedtab==-1&&this.getselectedClassTarget(this.tabs[i]).className=="selected"){selectedtab=i}}}
if(selectedtab!=-1)
this.expandtab(this.tabs[selectedtab])
else
this.expandtab(this.tabs[this.hottabspositions[0]])
if(parseInt(this.automodeperiod)>500&&this.hottabspositions.length>1){this.autoruntimer=setInterval(function(){tabinstance.autorun()},this.automodeperiod)}}}
